CN105647791A - Device using three-section excess sludge and straw to prepare biogas - Google Patents
Device using three-section excess sludge and straw to prepare biogas Download PDFInfo
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- CN105647791A CN105647791A CN201610115044.8A CN201610115044A CN105647791A CN 105647791 A CN105647791 A CN 105647791A CN 201610115044 A CN201610115044 A CN 201610115044A CN 105647791 A CN105647791 A CN 105647791A
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- C—CHEMISTRY; METALLURGY
- C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
- C12M—APPARATUS FOR ENZYMOLOGY OR MICROBIOLOGY; APPARATUS FOR CULTURING MICROORGANISMS FOR PRODUCING BIOMASS, FOR GROWING CELLS OR FOR OBTAINING FERMENTATION OR METABOLIC PRODUCTS, i.e. BIOREACTORS OR FERMENTERS
- C12M21/00—Bioreactors or fermenters specially adapted for specific uses
- C12M21/04—Bioreactors or fermenters specially adapted for specific uses for producing gas, e.g. biogas
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F11/00—Treatment of sludge; Devices therefor
- C02F11/02—Biological treatment
- C02F11/04—Anaerobic treatment; Production of methane by such processes
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- C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
- C12M—APPARATUS FOR ENZYMOLOGY OR MICROBIOLOGY; APPARATUS FOR CULTURING MICROORGANISMS FOR PRODUCING BIOMASS, FOR GROWING CELLS OR FOR OBTAINING FERMENTATION OR METABOLIC PRODUCTS, i.e. BIOREACTORS OR FERMENTERS
- C12M23/00—Constructional details, e.g. recesses, hinges
- C12M23/38—Caps; Covers; Plugs; Pouring means
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- C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
- C12M—APPARATUS FOR ENZYMOLOGY OR MICROBIOLOGY; APPARATUS FOR CULTURING MICROORGANISMS FOR PRODUCING BIOMASS, FOR GROWING CELLS OR FOR OBTAINING FERMENTATION OR METABOLIC PRODUCTS, i.e. BIOREACTORS OR FERMENTERS
- C12M27/00—Means for mixing, agitating or circulating fluids in the vessel
- C12M27/02—Stirrer or mobile mixing elements
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- C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
- C12M—APPARATUS FOR ENZYMOLOGY OR MICROBIOLOGY; APPARATUS FOR CULTURING MICROORGANISMS FOR PRODUCING BIOMASS, FOR GROWING CELLS OR FOR OBTAINING FERMENTATION OR METABOLIC PRODUCTS, i.e. BIOREACTORS OR FERMENTERS
- C12M33/00—Means for introduction, transport, positioning, extraction, harvesting, peeling or sampling of biological material in or from the apparatus
- C12M33/16—Screw conveyor
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- C—CHEMISTRY; METALLURGY
- C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
- C12M—APPARATUS FOR ENZYMOLOGY OR MICROBIOLOGY; APPARATUS FOR CULTURING MICROORGANISMS FOR PRODUCING BIOMASS, FOR GROWING CELLS OR FOR OBTAINING FERMENTATION OR METABOLIC PRODUCTS, i.e. BIOREACTORS OR FERMENTERS
- C12M33/00—Means for introduction, transport, positioning, extraction, harvesting, peeling or sampling of biological material in or from the apparatus
- C12M33/20—Ribbons
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- C—CHEMISTRY; METALLURGY
- C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
- C12M—APPARATUS FOR ENZYMOLOGY OR MICROBIOLOGY; APPARATUS FOR CULTURING MICROORGANISMS FOR PRODUCING BIOMASS, FOR GROWING CELLS OR FOR OBTAINING FERMENTATION OR METABOLIC PRODUCTS, i.e. BIOREACTORS OR FERMENTERS
- C12M41/00—Means for regulation, monitoring, measurement or control, e.g. flow regulation
- C12M41/44—Means for regulation, monitoring, measurement or control, e.g. flow regulation of volume or liquid level
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- C—CHEMISTRY; METALLURGY
- C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
- C12M—APPARATUS FOR ENZYMOLOGY OR MICROBIOLOGY; APPARATUS FOR CULTURING MICROORGANISMS FOR PRODUCING BIOMASS, FOR GROWING CELLS OR FOR OBTAINING FERMENTATION OR METABOLIC PRODUCTS, i.e. BIOREACTORS OR FERMENTERS
- C12M45/00—Means for pre-treatment of biological substances
- C12M45/02—Means for pre-treatment of biological substances by mechanical forces; Stirring; Trituration; Comminuting
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2303/00—Specific treatment goals
- C02F2303/06—Sludge reduction, e.g. by lysis
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E50/00—Technologies for the production of fuel of non-fossil origin
- Y02E50/30—Fuel from waste, e.g. synthetic alcohol or diesel
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W10/00—Technologies for wastewater treatment
- Y02W10/30—Wastewater or sewage treatment systems using renewable energies
- Y02W10/37—Wastewater or sewage treatment systems using renewable energies using solar energy
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Abstract
The invention discloses a device using three-section excess sludge and straw to prepare biogas. The device comprises a feeding unit, a biogas fermentation tank, a conveying unit and a controller, wherein the feeding unit comprises two parallel storage bins, the biogas fermentation tank comprises a civil engineering foundation, a support standing column is fixed on the civil engineering foundation, a sealing cover is mounted on the support standing column in a sealed manner, and the conveying unit comprises a lateral-moving conveying mechanism and a longitudinal-moving conveying mechanism. The device using the three-section excess sludge and straw to prepare the biogas has the advantages that the problem that environment pollution is caused by the fact that currently most sludge produced by a sewage treatment plant is not treated properly and piled at will can be solved, the problem that environment pollution is caused by the fact that a large amount of straw is not fully utilized and can only be burnt can be avoided, the sludge and straw are utilized to produce the biogas, and waste is recycled.
Description
Technical field:
The present invention relates to technical field of sludge treatment, be specifically related to a kind of device utilizing three sections of excess sludges and straw to prepare biogas.
Background technology:
Three sections of excess sludges are the side-products of domestic sewage treatment process process, and along with the high speed development of science and technology, wastewater treatment in China industry is developed rapidly, and sewage treatment capacity and handling rate increase rapidly, brings substantial amounts of excess sludge. According to " China's specific resistance to filtration Market Report (2013 editions) " prediction, by 2015, urban wastewater treatment firm wet mud (moisture content 80%) generation amount in the whole nation will be 33,590,000 tons/year, i.e. 9.2 ten thousand tons of mud of daily output. But, domestic specific resistance to filtration present situation allows of no optimist. Survey result shows, mud produced by wastewater treatment in China factory, has 80% not dealt carefully with, and mud is arbitrarily stacked and the pollution that causes is increasingly severe with recontamination problem.
In vast rural area, annual autumn and winter moral all can have substantial amounts of straw to be incinerated, and crop straw burning process not only can produce substantial amounts of harmful gas, produces a large amount of poisonous and harmful substance, threatens the health of people and other biological body, contaminated air; Simultaneously also can spoiled soil structure, cause farm land quality to decline. Crop straw burning also enters three points of ground, microorganism in earth's surface is scorched to death, humus, organic matter are mineralized, field crop straw burning destroys the balance of this set biosystem, change the physical behavior of soil, increased the weight of soil compaction, destroy soil fertility, exacerbate arid, the growth of crops thus be affected.
Summary of the invention:
The purpose of the present invention is aiming at the deficiency of prior art, and a kind of device utilizing three sections of excess sludges and straw to prepare biogas is provided, it is intended to solve current sewage treatment plant produced major part mud simultaneously and underuse, without problem of environmental pollution and the straw dealt carefully with and arbitrarily stacking causes, the problem that can only carry out burning.
The technology solution of the present invention is as follows:
A kind of device utilizing three sections of excess sludges and straw to prepare biogas, including dosage unit, marsh gas fermentation pool, supply unit and controller, dosage unit includes two and claps the storage bin of setting, wherein the storage bin in left side is used for depositing mud, the storage bin on right side is used for depositing straw, two storage bin tops are provided with high-order level-sensing device, two storage bin bottoms are provided with low level level-sensing device, high-order level-sensing device and low level level-sensing device are all electrically connected with the controller, the lower openings place of grain storehouse is provided with electrically operated valve, the electrically operated valve bottom of the storage bin in left side is provided with squeeze unit, the electrically operated valve bottom of the storage bin on right side is provided with pulverizer, mud and straw are admitted in marsh gas fermentation pool by transporting chute, marsh gas fermentation pool includes foundation of civil work, foundation of civil work is fixed with support post, support post is sealed and installed with sealing lid, sealing covers and is provided with check valve, check valve is connected with the container of external storage biogas, the side of support post is additionally provided with watered cup, supply unit includes traversing conveying mechanism and vertical shift conveying mechanism, vertical shift conveying mechanism includes vertical shift track, vertical shift support body and belt conveyor, vertical shift support body vertically moves in marsh gas fermentation pool along vertical shift track under the driving of vertical shift motor, belt conveyor is arranged on vertical shift support body, traversing conveying mechanism includes cross traveling trolley and conveying worm, cross traveling trolley can on vertical shift support body transverse shifting, conveying worm is arranged on cross traveling trolley, and driven by screw motor, the discharging opening of conveying worm is just right with belt conveyor, waste residue after fermentation is promoted on belt conveyor through conveying worm, and it is transported to transport vehicles by belt conveyor, it is transported to landfill yard through transport vehicles.
Preferred as technique scheme, vertical shift support body is additionally provided with two agitators, and agitator is driven by stirring motor, and agitator includes stirring frame and shaft, and stirring frame is fixed on shaft, and shaft is connected by shaft coupling with the output shaft of stirring motor.
Preferred as technique scheme, seal lid for transparent cover body, sunlight can pass to seal to cover and marsh gas fermentation pool is heated, and marsh gas fermentation pool is also equipped with temperature control unit and heating unit, and the temperature in methane-generating pit is controlled be beneficial to the scope of fermentation by temperature control unit.
Preferred as technique scheme, electrically operated valve includes valve body and flap, valve body two ends are welded with adpting flange, adpting flange offers bolt hole, the cavity holding rotating shaft is offered in the middle of flap, flap is integrally welded with rotating shaft, and rotating shaft is connected by key with outer gear.
Preferred as technique scheme, the part that rotating shaft exposes is arranged with sleeve, and outer gear is connected with driving gear by connecting belt, and driving gear is driven by valve driving machine, the output shaft of valve driving machine is connected with driving shaft by shaft coupling, and driving shaft is connected with driving gear by connecting key.
Preferred as technique scheme, at the bottom of the pond of marsh gas fermentation pool and surrounding be all equipped with resistant material, the position that transporting chute contacts with mud, straw is coated with high-abrasive material, the structure of storage bin and equivalently-sized, each storage bin all includes cylindrical body and lower taper bucket, and the height of the cylindrical body of storage bin is 4-5 rice, and the diameter of cylindrical body is 1.2 meters, storage bin is supported on ground by silo support, and ground has the building foundation of fixing silo support.
The beneficial effects of the present invention is: this utilizes the device that three sections of excess sludges and straw prepare biogas can not only solve current sewage treatment plant produced major part mud without dealing carefully with and arbitrarily stacking the problem of environmental pollution caused, also it is avoided that substantial amounts of straw is underused can only carry out burning the problem causing environmental pollution, both are utilized generation biogas simultaneously, it is achieved the recycling of garbage.
Accompanying drawing illustrates:
The following drawings is only intended to, in the present invention being schematically illustrated and explaining, not delimit the scope of the invention. Wherein:
Fig. 1 is the structural representation of the present invention;
Fig. 2 is the structural representation of squeeze unit;
Fig. 3 is one of structural representation of belt conveyor;
Fig. 4 is the two of the structural representation of belt conveyor;
Fig. 5 is one of structural representation of electrically operated valve;
Fig. 6 is one of structural representation of electrically operated valve.
Detailed description of the invention:
As shown in Figure 1, the device that three sections of excess sludges and straw prepare biogas is utilized to include dosage unit, marsh gas fermentation pool, supply unit and controller, dosage unit includes two and claps the storage bin 10 of setting, wherein the storage bin in left side is used for depositing mud, the storage bin on right side is used for depositing straw, two storage bin tops are provided with high-order level-sensing device 11, two storage bin bottoms are provided with low level level-sensing device, high-order level-sensing device 11 and low level level-sensing device are all electrically connected with the controller, the lower openings place of grain storehouse is provided with electrically operated valve 12, the electrically operated valve bottom of the storage bin in left side is provided with squeeze unit 2, the electrically operated valve bottom of the storage bin on right side is provided with pulverizer 13, mud and straw are admitted in marsh gas fermentation pool by transporting chute 14, marsh gas fermentation pool includes foundation of civil work 43, foundation of civil work 43 is fixed with support post 44, support post 44 is sealed and installed with sealing lid 45, seal and lid 45 is provided with check valve 46, check valve 46 is connected with the container of external storage biogas, the side of support post 44 is additionally provided with watered cup 30, supply unit includes traversing conveying mechanism and vertical shift conveying mechanism, vertical shift conveying mechanism includes vertical shift track 41, vertical shift support body 42 and belt conveyor, vertical shift support body 42 vertically moves in marsh gas fermentation pool along vertical shift track 41 under the driving of vertical shift motor, belt conveyor is arranged on vertical shift support body 42, traversing conveying mechanism includes cross traveling trolley 51 and conveying worm 53, cross traveling trolley 51 can on vertical shift support body 42 transverse shifting, conveying worm 53 is arranged on cross traveling trolley 51, and driven by screw motor 52, the discharging opening of conveying worm 53 is just right with belt conveyor, waste residue after fermentation is promoted on belt conveyor through conveying worm 53, and it is transported to transport vehicles 7 by belt conveyor, it is transported to landfill yard through transport vehicles 7.
Sealing lid 45 is transparent cover body, and sunlight can pass to seal to cover and marsh gas fermentation pool is heated, and marsh gas fermentation pool is also equipped with temperature control unit and heating unit, and the temperature in methane-generating pit is controlled be beneficial to the scope of fermentation by temperature control unit.
Being additionally provided with two agitators 55 on vertical shift support body 42, agitator 55 is driven by stirring motor 54, and agitator 55 includes stirring frame and shaft, and stirring frame is fixed on shaft, and shaft is connected by shaft coupling with the output shaft of stirring motor 54.
At the bottom of the pond of marsh gas fermentation pool and surrounding be all equipped with resistant material, the position that transporting chute 14 contacts with mud, straw is coated with high-abrasive material, the structure of storage bin 10 and equivalently-sized, each storage bin 10 all includes cylindrical body and lower taper bucket, the height of the cylindrical body of storage bin 10 is 4-5 rice, the diameter of cylindrical body is 1.2 meters, and storage bin 10 is supported on ground by silo support, and ground has the building foundation of fixing silo support.
As shown in Figure 2, pressurizing unit 2 includes spiral extruder and charging propeller, spiral extruder includes the helical axis 24 driven by motor 28, helical axis 24 is provided with helical blade 25, the discharge end of spiral extruder is provided with sealing plate, discharge opening 26 all it is provided with on sealing plate, the diameter of discharge opening 26 is 12-15mm, spiral extruder is additionally provided with charging aperture 21, charging aperture 21 is horn-like, charging aperture 21 bottom is provided with charging propeller, and charging propeller includes the feed shaft 22 that charging motor 27 drives, and feed shaft 22 is provided with flight blade 23.
As shown in Figure 3-4, belt conveyer scale includes weighing support 60, belt 61 and belt wheel 62, belt is wound around belt wheel 62, belt 61 is the balata belt with rib, it is additionally provided with regulating wheel 63 between two belt wheels 62, weigh the superposed part of support 60 back-up belt 61, weigh support 60 and include U-shaped seat 605, U-shaped seat 605 is provided with the first floor 431, second floor 602, trislab 603 and the 4th floor 604, the first sidepiece installation portion is formed between first floor 601 and trislab 603, the second sidepiece installation portion is formed between the second floor 602 and the 4th floor 604, horizontal mounting portion is formed between trislab 603 and the 4th floor 604, first sidepiece installation portion and the second sidepiece installation portion are mounted on lateral support roller 608, horizontal mounting portion is provided with horizontal support rollers 607 by rotating shaft 606, lateral support roller 608 and horizontal support rollers 607 are provided with weight sensor.
As seen in figs. 5-6, electrically operated valve 12 includes valve body 135 and flap 133, valve body 135 two ends are welded with adpting flange 131, adpting flange 131 offers bolt hole 134, the cavity 132 holding rotating shaft 138 is offered in the middle of flap 133, flap 133 is integrally welded with rotating shaft 138, rotating shaft 138 is connected by key 143 with outer gear 141, the part that rotating shaft 138 exposes is arranged with sleeve 139, outer gear 141 is connected with driving gear 142 by connecting belt 145, driving gear is driven by valve driving machine 130, the output shaft of valve driving machine 130 is connected with driving shaft 137 by shaft coupling 136, driving shaft 137 is connected with driving gear 142 by connecting key 144.
Described embodiment is in order to the illustrative present invention, not for the restriction present invention. Described embodiment all under the spirit and category of the present invention, can be modified, therefore the scope of the present invention by any those skilled in the art, should as listed by the claim of the present invention.
Claims (6)
1. one kind utilizes the device that three sections of excess sludges and straw prepare biogas, it is characterized in that, including dosage unit, marsh gas fermentation pool, supply unit and controller, dosage unit includes two and claps the storage bin (10) of setting, wherein the storage bin in left side is used for depositing mud, the storage bin on right side is used for depositing straw, two storage bin tops are provided with high-order level-sensing device (11), two storage bin bottoms are provided with low level level-sensing device, high-order level-sensing device (11) and low level level-sensing device are all electrically connected with the controller, the lower openings place of grain storehouse is provided with electrically operated valve (12), the electrically operated valve bottom of the storage bin in left side is provided with squeeze unit (2), the electrically operated valve bottom of the storage bin on right side is provided with pulverizer (13), mud and straw are admitted in marsh gas fermentation pool by transporting chute (14), marsh gas fermentation pool includes foundation of civil work (43), foundation of civil work (43) is fixed with support post (44), support post (44) is sealed and installed with sealing lid (45), seal and lid (45) is provided with check valve (46), check valve (46) is connected with the container of external storage biogas, the side of support post (44) is additionally provided with watered cup (30), supply unit includes traversing conveying mechanism and vertical shift conveying mechanism, vertical shift conveying mechanism includes vertical shift track (41), vertical shift support body (42) and belt conveyor, vertical shift support body (42) vertically moves in marsh gas fermentation pool along vertical shift track (41) under the driving of vertical shift motor, belt conveyor is arranged on vertical shift support body (42), traversing conveying mechanism includes cross traveling trolley (51) and conveying worm (53), cross traveling trolley (51) can at the upper transverse shifting of vertical shift support body (42), conveying worm (53) is arranged on cross traveling trolley (51), and driven by screw motor (52), the discharging opening of conveying worm (53) is just right with belt conveyor, waste residue after fermentation is promoted on belt conveyor through conveying worm (53), and it is transported to transport vehicles (7) by belt conveyor, it is transported to landfill yard through transport vehicles (7).
2. the device utilizing three sections of excess sludges and straw to prepare biogas according to claim 1, it is characterized in that: vertical shift support body (42) is additionally provided with two agitators (55), agitator (55) is driven by stirring motor (54), agitator (55) includes stirring frame and shaft, stirring frame is fixed on shaft, and shaft is connected by shaft coupling with the output shaft of stirring motor (54).
3. the device utilizing three sections of excess sludges and straw to prepare biogas according to claim 1, it is characterized in that: sealing lid (45) is transparent cover body, sunlight can pass to seal to cover and marsh gas fermentation pool is heated, marsh gas fermentation pool is also equipped with temperature control unit and heating unit, and the temperature in methane-generating pit is controlled be beneficial to the scope of fermentation by temperature control unit.
4. the device utilizing three sections of excess sludges and straw to prepare biogas according to claim 1, it is characterized in that: electrically operated valve (12) includes valve body (135) and flap (133), valve body (135) two ends are welded with adpting flange (131), adpting flange (131) offers bolt hole (134), the cavity (132) holding rotating shaft (138) is offered in the middle of flap (133), flap (133) is integrally welded with rotating shaft (138), rotating shaft (138) is connected by key (143) with outer gear (141).
5. the device utilizing three sections of excess sludges and straw to prepare biogas according to claim 1, it is characterized in that: the part that rotating shaft (138) exposes is arranged with sleeve (139), outer gear (141) is connected with driving gear (142) by connecting belt (145), driving gear is driven by valve driving machine (130), the output shaft of valve driving machine (130) is connected with driving shaft (137) by shaft coupling (136), and driving shaft (137) is connected with driving gear (142) by connecting key (144).
6. the device utilizing three sections of excess sludges and straw to prepare biogas according to claim 1, it is characterized in that: at the bottom of the pond of marsh gas fermentation pool and surrounding be all equipped with resistant material, transporting chute (14) and mud, the position of straw contact is coated with high-abrasive material, the structure of storage bin (10) and equivalently-sized, each storage bin (10) all includes cylindrical body and lower taper bucket, the height of the cylindrical body of storage bin (10) is 4-5 rice, the diameter of cylindrical body is 1.2 meters, storage bin (10) is supported on ground by silo support, ground has the building foundation of fixing silo support.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610115044.8A CN105647791B (en) | 2016-03-02 | 2016-03-02 | A kind of device preparing biogas using three sections of excess sludges and stalk |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610115044.8A CN105647791B (en) | 2016-03-02 | 2016-03-02 | A kind of device preparing biogas using three sections of excess sludges and stalk |
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| CN105647791A true CN105647791A (en) | 2016-06-08 |
| CN105647791B CN105647791B (en) | 2018-10-09 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106747708A (en) * | 2016-12-09 | 2017-05-31 | 淮北恒远工程建材设备有限责任公司 | Straw-returning crushes cake making device |
| CN107125793A (en) * | 2017-05-16 | 2017-09-05 | 临泉小林机械制造有限公司 | A kind of expanded soft feed granulator of stalk self heating |
| CN107200609A (en) * | 2017-06-26 | 2017-09-26 | 苏州睿达矩自动化设备有限公司 | A kind of consumer garbage compost Zymolysis Equipment |
| CN109097253A (en) * | 2018-09-04 | 2018-12-28 | 刘燕 | A kind of microbe leaven draft machine for municipal sludge processing |
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